Extracted eigenfunctions of the n = 0 equatorial Rossby modes at m = 24. Eigenfunctions of radial velocity (imaginary) ℑ[v_r], latitudinal velocity (real) ℜ[v_θ] and (imaginary) ℑ[v_θ], longitudinal velocity (real) ℜ[v_ϕ], pressure perturbation (real) ℜ[p₁], and entropy perturbation (imaginary) ℑ[s₁] are shown from left to right. The real and imaginary phases are determined in a way such that ℜ[v_θ] at the base takes its maximum at the equator.